Australia 
Hager The Hager External Neutral Current Sensor 1000-4000A HW4 (ENCT) for air circuit breakers monitors neutral current to ensure accurate protection, metering and tripping in 4‑pole or 3P+N systems. Covering 1000-4000A, it enables selective neutral protection, supports earth‑fault detection and load balancing. Compact and easy to install, it integrates with Hager ACBs for high‑current distribution.
EAN
3250613151157
Packaging
1 Piece
Neutral current sensor 1000-4000A HW4 (ENCT) for air circuit breakers HWY972H
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Suitable with 4 products available
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Certifications and documents
Downloads
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Product image
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Product datasheet
Hager Product data sheet HWY972H
External neutral current sensor 1000-4000A HW4 (ENCT)
PDF -
Instruction manual
Instruction manual International 2025-06-16
PDF3,37 MB -
Installation manual
Installation manual
hw+ Air circuit breakers HW2 / HW4 / HW6
PDF57,62 MB
Safety instructions
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PDF159,14 kB -
Manual
Technical catalogue
hw+ Air circuit breaker HW1 / HW2 / HW4 / HW6
PDF57,96 MB -
Declaration of conformity
EU Declaration of Conformity
Declaration of conformity en-GB 2025-11-04
PDF413,59 kB
UKCA Declaration of Conformity
Declaration of conformity en-GB 2025-11-04
PDF418,76 kB
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